Related Clues:

• Twist at the end
• 60s dance craze
• O. Henry's forte
• A literary incongruity
• Film-plot surprise
• Sarcasm, e.g.
• 'Hipster Handbook' subject
• Vonnegut device
• O. Henry forte
• It can feature a twist
• Plot surprise
• Swift strength
• Swift device
• Humorist's tool
• Wring